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Name: Date: Class: Assi.# Half-life Worksheet 1. What is radioactivity

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Half-Life Worksheet Name Block _____ Date For each of the

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What is half-life? 2. If we start with 400 atoms of a radioactive substance, how many would remain after: One half-life?______ two half-lives? ______ three 

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Radioactive Dating Worksheet Answers - eBoard

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Email me for a Relative Dating Teaching Idea which includes much of what is discussed Here is a good version of a half-life lab using pennies in shoe boxes.

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